CN114956028A - Copper phosphate with porous structure and preparation method thereof - Google Patents
Copper phosphate with porous structure and preparation method thereof Download PDFInfo
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- CN114956028A CN114956028A CN202210576710.3A CN202210576710A CN114956028A CN 114956028 A CN114956028 A CN 114956028A CN 202210576710 A CN202210576710 A CN 202210576710A CN 114956028 A CN114956028 A CN 114956028A
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- RAOSIAYCXKBGFE-UHFFFAOYSA-K [Cu+3].[O-]P([O-])([O-])=O Chemical compound [Cu+3].[O-]P([O-])([O-])=O RAOSIAYCXKBGFE-UHFFFAOYSA-K 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000002057 nanoflower Substances 0.000 claims abstract description 15
- 239000006260 foam Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 36
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 28
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 14
- 239000002244 precipitate Substances 0.000 claims description 13
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 12
- 239000007853 buffer solution Substances 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 7
- 239000012266 salt solution Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 5
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 4
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 4
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 4
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 4
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract description 12
- 229910001431 copper ion Inorganic materials 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 229910019142 PO4 Inorganic materials 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- 239000010949 copper Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- YXHUUJPFJXLPQQ-UHFFFAOYSA-J P(=O)([O-])([O-])[O-].[OH-].[Cu+4] Chemical compound P(=O)([O-])([O-])[O-].[OH-].[Cu+4] YXHUUJPFJXLPQQ-UHFFFAOYSA-J 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 108010029541 Laccase Proteins 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008055 phosphate buffer solution Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-M dihydrogenphosphate Chemical compound OP(O)([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-M 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002077 nanosphere Substances 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention provides copper phosphate with a porous structure and a preparation method thereof. Under the condition that the ratio of the concentration of the divalent copper ions to the concentration of the phosphate ions is 1:0.1-400, the microstructure of the copper phosphate is in a porous foam shape or a nano flower shape or the two structures coexist. The preparation method is simple and feasible, the experimental process is mild and simple, no special equipment is needed, a violent experimental method such as high temperature is not needed, no organic reagent is involved, and the preparation method conforms to the green and environment-friendly route. The invention has wide and economic raw material sources and can be widely applied.
Description
Technical Field
The invention belongs to the field of nano materials, relates to a preparation technology of a copper phosphate nano material, and particularly relates to copper phosphate with a porous structure and a preparation method thereof.
Background
The information society develops at a high speed, and the requirements on the structure and the performance of materials in industry are higher and higher. The ordered arrangement material is one of the hot spots of the research in the field of the current materials, and the microstructure of the nanometer material is various, such as a foam structure, a nanometer flower structure, a sea urchin-shaped structure or a honeycomb structure. These porous microstructures generally significantly enhance the specific surface area of the material, so that the material has a larger contact area with other substances or solutions, and the excellent properties of the material can be fully exhibited.
The copper phosphate can be used as an organic reaction catalyst, a bactericide, an emulsifier, a fertilizer, an antioxidant for metal surfaces and the like. It is divided into copper phosphate free of crystal water and copper phosphate containing crystal water. The anhydrous copper phosphate is unstable and is easy to decompose by heating, the crystal water of the copper phosphate is evaporated and removed at the temperature of about 500 ℃, and the decomposition temperature of the copper phosphate is also increased to 600-1000 ℃. Therefore, the preparation of the copper phosphate into the nano material with ordered arrangement is of far-reaching significance.
On the other hand, most of the copper phosphate nanoflowers prepared at present can be obtained only by the aid of other substances. For example, the patent "a copper nanoflower containing laccase and its preparation method, application No.: 201910793318.2 ", the protein laccase is needed, and the cost of the protein enzymes is high; the patent' a copper phosphate nanosphere and a preparation method thereof, application number: 201611082104.7' the auxiliary of urea and sodium dodecyl sulfate is needed, and the sulfur element in the sodium dodecyl sulfate can cause certain pollution to the environment; the patent' a preparation method of flaky hydroxyl copper phosphate nano material, application number: 201410447849.3' requires the aid of polyvinylpyrrolidone and is carried out under hydrothermal conditions. A simpler, more economical and environmentally friendly process is necessary for preparing nanoflower structures.
Disclosure of Invention
The invention provides a preparation method of porous structure copper phosphate based on the problems, which comprises the steps of adding a cupric salt solution into a disodium hydrogen phosphate solution or an alkaline phosphoric acid buffer solution, and separating to obtain a precipitate so as to obtain the porous structure copper phosphate. Under the condition that the ratio of the concentration of the divalent copper ions to the concentration of the phosphate ions is 1:0.1-400, the microstructure of the copper phosphate is in a porous foam shape or a nano flower shape or the two structures coexist. The copper phosphate contains no or 1-3 crystal water, and the washing solution and the drying mode are related. Compared with the prior art, the invention has the advantages that: the preparation method is simple and easy to implement, the experimental process is mild and simple, no special equipment is needed, no high-temperature or other violent experimental methods are needed, no organic reagent is involved, and the method conforms to the green and environment-friendly route. The raw materials are wide in source and economical, and can be widely applied.
In view of the above, the invention provides a preparation method of copper phosphate with a porous structure, which comprises the following specific steps: adding a cupric salt solution into an alkaline phosphoric acid solution, wherein the phosphoric acid solution is a disodium hydrogen phosphate solution or a phosphoric acid buffer solution, separating precipitates after reaction to obtain porous-structure copper phosphate, and the porous structure of the porous-structure copper phosphate is in a porous foam shape or a nano flower shape or the coexistence of the two structures.
In the above technical solution, preferably, the cupric salt solution includes a copper sulfate solution, a copper chloride solution, and a copper nitrate solution.
In the above technical solution, preferably, the phosphate buffer solution in the preparation method is formed by mixing a disodium hydrogen phosphate solution and a sodium dihydrogen phosphate solution according to different proportions.
In the above technical solution, preferably, the ratio of the concentration of the divalent copper ions to the concentration of the phosphate ions is 1: 0.1-400.
In the above technical solution, preferably, the pH of the phosphoric acid solution is 7 to 12.
The copper phosphate porous structure related to the technical scheme can be completed only in the aqueous solution of hydrogen phosphate or dihydrogen phosphate without adding other substances as assistance. The main mechanism is that free hydroxyl (-OH) groups exist in the reaction solution, and can be combined with copper ions and induce the growth direction of copper phosphate crystals. However, the copper phosphate in the scheme is different from the hydroxyl copper phosphate in nature, and the chemical formula of the hydroxyl copper phosphate is Cu 2 (OH)PO 4 . In this scheme, the hydroxyl group in the solutionOnly plays an inducing role, when copper ions contact with phosphate ions, precipitates are generated to form crystals, and hydroxyl is dissociated in the solution and does not participate in the reaction. The molecular formula of the copper phosphate is Cu 3 (PO 4 ) 2 ·XH 2 O and X are 0 to 3. Their X-ray diffractometer spectra (XRD) also differ significantly as shown in figures 1-3.
Drawings
Figure 1 shows copper hydroxyphosphate and its standard XRD pattern. The method comprises the following steps: high-dawn soldiers, morphology control of copper hydroxyphosphate and research on visible light Fenton catalytic performance [ D ]. Henan, Zhengzhou university, 2017.
Figure 2 shows a standard XRD pattern of copper phosphate (containing 3 water of crystallization).
Figure 3 shows the XRD spectrum of the foamed porous copper phosphate of example 1.
Fig. 4 shows a scanning electron microscope image of the porous structure copper phosphate (foam porous structure) in example 1.
Fig. 5 shows a scanning electron microscope image of porous-structured copper phosphate (nanoflower structure) in example 2.
Fig. 6 shows a scanning electron microscope image of the porous structure copper phosphate (foam porous structure and nanoflower structure coexist) in example 3.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention, taken in conjunction with the accompanying drawings and detailed description, is set forth below. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Example 1
A preparation method of copper phosphate with a porous structure comprises the following experimental steps.
0.5mL of 0.2mol/L copper sulfate solution and 200mL of 0.2mol/L disodium hydrogen phosphate are mixed (the ratio of copper ions to phosphate radicals is 1:400), and the mixture is centrifuged to obtain a precipitate, namely the porous structure copper phosphate (foam porous structure), and the porous structure copper phosphate is placed in an oven at 65 ℃ for drying.
The scanning electron micrograph of the porous structure copper phosphate (foam porous structure) is shown in FIG. 4.
Example 2
A preparation method of copper phosphate with a porous structure comprises the following experimental steps.
56mL of 0.2mol/L sodium dihydrogenphosphate and 144mL of 0.2mol/L disodium hydrogenphosphate were mixed to obtain 200mL of 0.2mol/L phosphate buffer solution at pH 7.2. Mixing 1mL of 0.2mol/L copper sulfate solution and 50mL of 0.2mol/L phosphoric acid buffer solution (the ratio of copper ions to phosphate radicals is 1:50), centrifuging to obtain a precipitate, namely the porous copper phosphate (nanoflower structure), and drying in an oven at 60 ℃.
The scanning electron micrograph of the porous structure copper phosphate (nanoflower structure) is shown in fig. 5.
Example 3
A preparation method of copper phosphate with a porous structure comprises the following experimental steps.
Mixing 1mL of 0.2mol/L copper sulfate solution and 200mL of 0.2mol/L disodium hydrogen phosphate (the ratio of copper ions to phosphate radicals is 1:200), carrying out suction filtration to obtain a precipitate, namely the porous structure copper phosphate (the porous foam and the nanoflower structure coexist), and placing the porous structure copper phosphate in an oven at 70 ℃ for drying.
The scanning electron micrograph of the porous structure copper phosphate (the porous foam coexists with the nanoflower structure) is shown in FIG. 6.
Example 4
A preparation method of copper phosphate with a porous structure comprises the following experimental steps.
After 25mL of 0.2mol/L copper chloride solution and 5mL of 0.2mol/L disodium hydrogen phosphate are mixed (the ratio of copper ions to phosphate radicals is 1:0.2), filtering by using filter paper to obtain a precipitate, namely the porous structure copper phosphate (nanoflower structure), and drying in an oven at 70 ℃.
Example 5
A preparation method of copper phosphate with a porous structure comprises the following experimental steps.
After 25mL of 0.2mol/L copper nitrate solution and 5mL of 0.2mol/L disodium hydrogen phosphate are mixed (the ratio of copper ions to phosphate radicals is 1:0.2), the mixture is centrifuged at 400rpm for 5min to obtain a precipitate, the precipitate is washed with ethanol for 3 times to obtain the porous structure copper phosphate (nanometer flower structure), and the porous structure copper phosphate is dried in an oven at 60 ℃.
Example 6
A preparation method of copper phosphate with a porous structure comprises the following experimental steps.
32mL of 0.2mol/L sodium dihydrogenphosphate and 168mL of 0.2mol/L disodium hydrogenphosphate were mixed to obtain 200mL of 0.2mol/L phosphate buffer at pH 7.5. Mixing 1mL of 0.2mol/L copper nitrate solution and 50mL of 0.2mol/L phosphoric acid buffer solution (the ratio of copper ions to phosphate radicals is 1:50), centrifuging to obtain a precipitate, washing with ethanol for 3 times to obtain the porous structure copper phosphate (nanoflower structure), and drying in an oven at 50 ℃.
In summary, the invention provides a preparation method of copper phosphate with a porous structure, which comprises the steps of adding a cupric salt solution into a disodium hydrogen phosphate solution or an alkaline phosphoric acid buffer solution, and separating to obtain a precipitate, wherein the precipitate is copper phosphate. In the case where the ratio of the concentration of the divalent copper ion to the concentration of the phosphate ion is 1:0.1 to 400, the microstructure of the copper phosphate is either a porous foam-like or a nanoflower-like or both structures coexist. Compared with the prior art, the invention has the advantages of simple and easy preparation method, mild and simple experimental process, no special equipment, no need of violent experimental methods such as high temperature and the like, no organic reagent, and accordance with the green and environment-friendly route. The raw materials are wide in source and economical, and can be widely applied.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A preparation method of copper phosphate with a porous structure is characterized by comprising the following steps: adding a cupric salt solution into an alkaline phosphoric acid solution, wherein the phosphoric acid solution is a disodium hydrogen phosphate solution or a phosphoric acid buffer solution, separating precipitates after reaction to obtain porous-structure copper phosphate, and the porous structure of the porous-structure copper phosphate is in a porous foam shape or a nano flower shape or the coexistence of the two structures.
2. The method for preparing copper phosphate with a porous structure according to claim 1, characterized in that: the porous structure copper phosphate contains no or 1-3 crystal water.
3. The method for preparing copper phosphate with a porous structure according to claim 1, characterized in that: the cupric salt solution in the preparation method comprises a copper sulfate solution, a copper chloride solution and a copper nitrate solution.
4. The method for preparing copper phosphate with a porous structure according to claim 1, characterized in that: the phosphoric acid buffer solution is prepared by mixing a disodium hydrogen phosphate solution and a sodium dihydrogen phosphate solution according to different proportions.
5. The method for preparing copper phosphate with a porous structure according to claim 1, characterized in that: the pH value of the phosphoric acid solution is 7-12.
6. The method for preparing copper phosphate with a porous structure according to claim 1, characterized in that: in the reaction solution formed by the cupric salt solution and the phosphoric acid solution, the ratio of the concentration of cupric ions to the concentration of phosphate ions is 1: 0.1-400.
7. A porous-structure copper phosphate characterized by being produced by the production method according to any one of claims 1 to 6.
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| CN115709975A (en) * | 2022-11-28 | 2023-02-24 | 武汉材料保护研究所有限公司 | Manganese phosphate trihydrate nanoflower and biomass oriented induction synthesis method |
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2022
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115501339A (en) * | 2022-10-27 | 2022-12-23 | 温州爱恩思生物科技有限公司 | Copper-based nano-enzyme active material for repairing various difficult-to-heal wound surfaces, application thereof and wound repair gel |
| CN115501339B (en) * | 2022-10-27 | 2024-07-09 | 温州爱恩思生物科技有限公司 | Copper-based nano enzyme active material for repairing various wound surfaces difficult to heal, application of copper-based nano enzyme active material and wound repair gel |
| CN115709975A (en) * | 2022-11-28 | 2023-02-24 | 武汉材料保护研究所有限公司 | Manganese phosphate trihydrate nanoflower and biomass oriented induction synthesis method |
| CN115709975B (en) * | 2022-11-28 | 2024-04-30 | 中国机械总院集团武汉材料保护研究所有限公司 | Directional induction synthesis method for manganese phosphate trihydrate nanoflower and biomass |
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Application publication date: 20220830 |